Features:

* Applicable for surveillance, covert operation
* Super sensitive
* Long range surveillance(400~500 meters)
* Audio output: 3.5mm audio jack
* Volume adjusting
* Weight: 600g

Specification:

Receiver:

* Receiver reception sensitive: -80dBm
* Audio responding: 200Hz-5000hz
* Power adapter: Input: 220V AC, output: DC 5V/300mA
* Shift the switch to "OFF", otherwise, unit could not be charged
* Dimension: 58 x 36 x 16mm

Transmitter

* Output power:200mW
* Power adapter: Input: 200V AC, output: DC 5V\300mA
* Operating range: 400~500 meters(Depends on terrain, actual operating range in real situation could up to approx 250 meters)
* Microphone range(Meter): 5~7(Radius)
* Transmitter charging time: 6~8 hours
* Working time: 4~5 hours(Constantly working)